Volume 1, Number 2 (Journal of Daneshvar Agronomy Sciences 2009)                   jdas 2009, 1(2): 49-60 | Back to browse issues page


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Nouryan M, Azhari O, Amiry Oghan H, Alizadeh B, Valizadeh M. Evaluation of Genetic Diversity among 49 Canola (Brassica napus L.) Genotypes in Golestan Province. jdas. 2009; 1 (2) :49-60
URL: http://jdas.shahed.ac.ir/article-1-32-en.html

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Abstract:   (14166 Views)

  In order to study the genetic diversity among 49 genotypes of canola (Brassica napus L) a 7×7 Lattice square design on the basis of randomized complete block design (RCBD) with 3 replications was performed in Agriculture Research Station of Gorgan (Araghymohaleh) province during 2005-2006. Analysis of variance showed significant difference (at 1% level) in all studied traits. HYOLA 401, HYOLA 330 and Y3000 hybrids had the highest grain yield with 4053, 4032 and 3524 Kg/ha, respectively. Among the studied traits, pods per plant, had the highest correlation with grain yield (r =0.759**). According to the results of path analysis, pods per plant had the highest direct effect on grain yield. The result of genotypes clustering with UPGMA method classified genotypes into five clusters. According to Euclidean distance, highest distance (3.54) and lowest distance (0.121) were observed between PF60/89--308×401-B and HYLITE-B--HYOLA420, respectively. On the basis of principles component analysis, 93% of variation could be accounted for by the first and second principle components. Finally, height to first pod, pods per secondary stems as well as grain yield denoted the highest genetic diversity.

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Type of Study: Applicable | Subject: Special
Received: 2010/09/27

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